text: The leadership of Binh Son Refinery and Petrochemical said that in the same period last year heavy losses because of deeply declining oil prices and Covid - 91 caused the demand for petrochemical products to go down?
classes:  No, consumers chose to reuse excess oil instead of buying new oil because of difficulties, causing the leadership of Binh Son Refinery and Petrochemical to falter because they could not sell the oil.  Also, consumers chose to reuse excess oil instead of buying new oil because of difficulties, causing the leadership of Binh Son Refinery and Petrochemical to falter because they could not sell the oil.  Yes, consumers chose to reuse excess oil instead of buying new oil because of difficulties, causing the leadership of Binh Son Refinery and Petrochemical to falter because they could not sell the oil.